Which of the following statements is incorrect about the ABO blood type system?
A)there are three major alleles for the system
B)there appears to be selective significance between the ABO system and certain types of diseases
C)blood type O is the most frequent blood type in all human populations
D)one or more of the four ABO blood types could be absent from a specific population

Question

Quizplus · Accepted Answer

Blood type O is actually the most common blood type worldwide, but it is less frequent in certain populations such as those of Indian or African descent. In some regions, blood type B may also be more common than type O. Therefore, statement C is incorrect.

Which of the Following Statements Is Incorrect About the ABO